A “one stop” thermal stabilizer, zinc arginine complex, with excellent comprehensive thermal stability effect on poly(vinyl chloride)

Shi, Yanqin; Lu, Songyan; Ma, Biao; Ma, Meng; He, Huiwen; Chen, Si; Wang, Xu

doi:10.1016/j.polymdegradstab.2019.06.016

Cited by 14 publications

(8 citation statements)

References 34 publications

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“…We found that the Zn(Arg) 2 had excellent thermal stability for PVC in the previous research [ 31 ]. However, the synergetic effect between Zn(Arg) 2 and plasticizers has not been studied.…”

Section: Resultsmentioning

confidence: 93%

“…Polyvinyl chloride (PVC, SG5) was produced by Xinjiang Tianye Group Co., Ltd. (Shihezi, China) Arginine (Arg, 98%) was supplied by Shanghai Macklin Biochemical Technology Co., Ltd. (Shanghai, China) Zinc acetate (Zn(Ac) 2 , 97%), Dioctyl terephthalate (DOTP, AR), dioctyl phthalate (DOP, AR), trimethyl citrate (TMC, AR), triethyl citrate (TEC, AR), acetyl triethyl citrate (ATEC, AR), tributyl citrate (TBC, AR), ethanol (99.5%) purchased from Aladdin Reagent (Shanghai, China) Co., Ltd. Zinc arginine [Zn(Arg) 2 ] was produced according to our previous research [ 31 ].…”

Section: Methodsmentioning

confidence: 99%

“…Based on the research results of organic and organic zinc thermal stabilizers, we have successfully designed an organic zinc thermal stabilizer with excellent thermal stability and transparency on PVC. That is zinc arginine complex [Zn(Arg) 2 ] [ 31 ]. The static thermal stability time is more than 180min.…”

Section: Introductionmentioning

confidence: 99%

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Synergistic Effect of Two Plasticizers on Thermal Stability, Transparency, and Migration Resistance of Zinc Arginine Stabilized PVC

Shi

Yao

et al. 2022

Polymers

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The effect of different plasticizers on thermal stability, transparency, and migration resistance of the PVC stabilized with zinc arginine [Zn(Arg)2] was investigated. The thermal stability, migration resistance, and transparency of PVC with tributyl citrate (TBC) were better than PVC with dioctyl phthalate (DOP) characterized by oven aging method, migration test, and near infrared-visible-ultraviolet spectrophotometer. At the same time, the longer the carbon chain in citric acid esters, the better the thermal stability and transparency of PVC sample. The hydroxyl group in citric acid esters is helpful to improve the thermal stability of PVC samples. However, the elongation at break and Tg value of PVC containing DOP were very close to those of PVC containing TBC. The calculation results of Hansen solubility parameters also illustrated that DOP had better compatibility with PVC than TBC. Therefore, the excellent transparency and thermal stability of TBC plasticized PVC were attributed to the good compatibility between TBC and Zn(Arg)2, which was verified by the solubility test. Lastly, the mixture of dioctyl terephthalate (DOTP) and TBC was used as plasticizers for Zn(Arg)2 stabilized PVC. When the ratio of TBC and DOTP was 1:1, the transparency, thermal stability, and migration resistance of Zn(Arg)2 stabilized PVC samples were better than those of PVC plasticized by DOP or TBC alone. The mechanism was that the compatibility between Zn(Arg)2 and PVC was greatly improved by the synergetic effect of TBC and DOTP, resulting in the improvement of thermal stability, migration resistance, and transparency of PVC samples.

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Section: Resultsmentioning

confidence: 93%

Section: Methodsmentioning

confidence: 99%

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Synergistic Effect of Two Plasticizers on Thermal Stability, Transparency, and Migration Resistance of Zinc Arginine Stabilized PVC

Shi

Yao

et al. 2022

Polymers

Self Cite

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“…There are other proposed methods to test HCl absorption by thermal stabilizers too. Chen et al [ 66 ] reported a procedure by which thermal stabilizers were put in a three‐necked flask with a continuous dry HCl gas inflow at 180°C for 2 h in an oil bath. Residual HCl was eliminated by heating HCl‐treated thermal stabilizers in a vacuum oven at 75°C for 12 h. Finally, both treated and untreated stabilizers were separately dissolved in distilled water, followed by magnetic stir and filtration.…”

Section: Mechanisms Of Thermal Stabilizersmentioning

confidence: 99%

Trends and prospects for thermal stabilizers in polyvinyl chloride

Liu

2022

Vinyl Additive Technology

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Thermal stabilizers are essential for polyvinyl chloride (PVC) processing. It is the emergence of thermal stabilizers that made PVC's applications migrate from laboratory to large‐scale industrial use. Herein we overview the development status of some traditional thermal stabilizers including lead salt, metal soaps, and organotin along with relatively newer thermal stabilizers such as organic thermal stabilizers and metal alkoxides. Taking into consideration the high market demand, opportunities for cost‐effective additives for thermal stabilizers are also briefly discussed. Finally, with the recent shift in focus on thermal stabilizer synthesis and their performance characterization but neglecting mechanical property testing and verification, we put forward application prospect of quantum chemical calculation for the development of PVC thermal stabilizers.

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“…The good flame retardancy of zinc compounds in flexible PVC is attributed to the mechanism that zinc compounds can react with hydrogen chloride (HCl) decomposed from flexible PVC to give zinc chloride (ZnCl 2 ), which belongs to a kind of strong Lewis acid that can further accelerate the dehydrochlorination and promote the formation of char residues of flexible PVC 10,11 . But the massive accumulation of undesirable ZnCl 2 is easy to result in “zinc burning,” which can cause rapid darkening of flexible PVC thus deteriorating the thermal stability 12–14 …”

Section: Introductionmentioning

confidence: 99%

Enhanced flame retardancy and thermal stability of zinc borate and magnesium carbonate as a promising alternative for Sb₂O₃ toward polyvinyl chloride

Zhang,

Chen,

Zhang

2023

J of Applied Polymer Sci

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Inorganic zinc compounds such as zinc carbonate (ZC) and zinc borate (ZB) are considered as promising alternatives for harmful antimony trioxide in the future, but may result in poor thermal stability for flexible polyvinyl chloride (PVC). To enhance the flame retardancy and static thermal stability of flexible PVC, zinc compounds with environmentally friendly magnesium carbonate (MC) were introduced into PVC matrix. Findings reveal that the simultaneous use of 5 phr ZB and 5 phr MC for flexible PVC exhibits satisfactory properties containing pronounced flame retardancy with a limiting oxygen index of 30.2% and a UL‐94 V‐0 rating without dripping, enhanced static thermal stability with high color stability by discoloration tests, reduced smoke emission, and decent mechanical properties, which are advantageous over the standalone use of ZC, ZB, and MC. The enhancement mainly due to that the incorporation of ZB can accelerate the dehydrochlorination and promote the charring of flexible PVC in the early stage of flame burning, and MC can perform the long‐term static thermal stability due to the HCl absorption capacity.

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A “one stop” thermal stabilizer, zinc arginine complex, with excellent comprehensive thermal stability effect on poly(vinyl chloride)

Cited by 14 publications

References 34 publications

Synergistic Effect of Two Plasticizers on Thermal Stability, Transparency, and Migration Resistance of Zinc Arginine Stabilized PVC

Synergistic Effect of Two Plasticizers on Thermal Stability, Transparency, and Migration Resistance of Zinc Arginine Stabilized PVC

Trends and prospects for thermal stabilizers in polyvinyl chloride

Enhanced flame retardancy and thermal stability of zinc borate and magnesium carbonate as a promising alternative for Sb₂O₃ toward polyvinyl chloride

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A “one stop” thermal stabilizer, zinc arginine complex, with excellent comprehensive thermal stability effect on poly(vinyl chloride)

Cited by 14 publications

References 34 publications

Synergistic Effect of Two Plasticizers on Thermal Stability, Transparency, and Migration Resistance of Zinc Arginine Stabilized PVC

Synergistic Effect of Two Plasticizers on Thermal Stability, Transparency, and Migration Resistance of Zinc Arginine Stabilized PVC

Trends and prospects for thermal stabilizers in polyvinyl chloride

Enhanced flame retardancy and thermal stability of zinc borate and magnesium carbonate as a promising alternative for Sb2O3 toward polyvinyl chloride

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Product

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Enhanced flame retardancy and thermal stability of zinc borate and magnesium carbonate as a promising alternative for Sb₂O₃ toward polyvinyl chloride